Home / 52,830.99-72,908.60-28,957.64

Finding the Fourth Proportional to 52,830.99, 72,908.60 and 28,957.64

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Solution

The fourth proportional to 52,830.99, 72,908.60 and 28,957.64 is: 39,962.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,830.99 : 72,908.60 = 28,957.64 : x
  2. Step 2: Convert to fraction form
    52,830.99/72,908.60 = 28,957.64/x
  3. Step 3: Cross multiply
    52,830.99x = 72,908.60 × 28,957.64
  4. Step 4: Simplify right side
    52,830.99x = 2,111,260,482.37
  5. Step 5: Solve for x
    x = 2,111,260,482.37/52,830.99
  6. Step 6: Final answer
    x = 39,962.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.